Home / 13,295.15-19,946.18-4,975.80

Finding the Fourth Proportional to 13,295.15, 19,946.18 and 4,975.80

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Solution

The fourth proportional to 13,295.15, 19,946.18 and 4,975.80 is: 7,464.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.15 : 19,946.18 = 4,975.80 : x
  2. Step 2: Convert to fraction form
    13,295.15/19,946.18 = 4,975.80/x
  3. Step 3: Cross multiply
    13,295.15x = 19,946.18 × 4,975.80
  4. Step 4: Simplify right side
    13,295.15x = 99,248,177.57
  5. Step 5: Solve for x
    x = 99,248,177.57/13,295.15
  6. Step 6: Final answer
    x = 7,464.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.